Stop duping options when duping the build object

The options collection cannot be mutated from the build object, so it
can be shared among copies safely.
tesseract devel 3.03

Closes #30937.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
groovy 2.4.0-beta-2 (devel)

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
gh: update 2.1.0 bottle.
groovy: add 2.3.6 bottle.